Oscillatory pumping mechanism and the like



June 19, 1951 F. A. LANE OSCILLATORY PUMPING MECHANISM AND THE LIKE 2 Sheets-Sheet 1 Filed May 19, 1947 fi A I 1 I/Y/ w 7 W& M w 0.

ATTOFNEK June 19, 1951 N 2,557,912

OSCILLATOR! PUMPING MECHANISM AND THE LIKE Filed May 19, 1947 2 Sheets-Sheet 2 INVENTOR. FREDA. LANE,

BY: WM

ber.

Patented June 19, 1951 OSCILLATORY PUMPING MECHANISM AND THE LIKE Fred A. Lane, Shelburn, Ind., assignor to Lane Motors, Inc., Terre Haute, Ind., a corporation of Indiana Application May 19, 1947, Serial No. 749,059

9 Claims. 1

The present invention relates to a motion converter of the general character of that disclosed in my co-pending application Serial No. '7 42,638, filed April 19, 1947, now Patent No. 2,503,159, granted April 4, 1950, for a Mot'on Converter, and constitutes an improvement upon the structure disclosed in the said co-pending application. While the invention is by no means limited to pumping mechanism, it finds a major utility in such a mechanism, and therefore has been so disclosed and will be so described herein.

The primary objects of the present invention are two-fold; first, to provide a pumping mechanism capable of delivering multiple small impulses, and second, to provide means, in a device of the general character here under consideration, for varying the length of the stroke of the oscillator of a mechanism of the character here under consideration. Further objects of the invention will appear as the description proceeds.

To the accomplishment of the above and related objects, my invention may be embodied in the forms illustrated in the accompanying drawings, attention being called to the fact, however, that the drawings are illustrative only, and that change may be made in the specific constructions illustrated and described, so long as the scope of the appended claims is not violated.

Fig. 1 is a longitudinal section through a device constructed in accordance with the present invention, and showing a form of motion converter disclosed in my said copending application;

Fig. 2 is a transverse section taken substantially on the line 2-2 of Fig. 1;

Fig. 3 is a transverse section through a modified form of motion converter, provided with one embodiment of stroke-varying means;

Fig. 4 is a horizontal section taken substantially on the line 44 of Fig. 3;

Fig. 5 is a section similar toFig. 3 but showing a modified form of stroke-varying means; and

Fig. 6 is a similar section showing a further embodiment of stroke-varying means.

Referring more particularly to Figs. 1 and it will be seen that I have illustrated a housing or frame comprising a substantially cylindrical wall I and an end wall II defining a chamber I2,the wall In being formed with a radially projecting flange I3 at the open end of the cham- A closure plate I4, when assembled with the wall I B, closes the chamber I2. At a suitable point in its periphery, the wall I0 is provided with an opening I in which is mounted a gland I6, secured in place by any suitable fastening means such as screws l1 and retaining a bushing I8 in which is rotatably mounted a stem I9 upon an axis perpendicular to the axis of the chamber I2. A pulley 20 may be supported upon the stem [9, and said stem is provided with an enlarged head 2| within the chamber I2 carrying a pin 22 angularly inclined to the axis of the stem I9 and intersecting that axis at the point x of intersection of the axis of the stem I9 with the axis of the chamber I2.

Oscillably mounted upon the axis of the chamber I2 is a rocker 23. A bearing 24 centrally supported in the wall II supports one end 25 of said rocker, while a bearing 26, similarly supported in the wall I4, supports the opposite end 21 of said rocker, and the rocker 23 is oscillable about the axis of the chamber I2.

In the illustrated embodiment of the invention, a separate block 28 is set into the rocker 23 intermediate the ends thereof, said block being formed with a transverse socket 29 whose axis is perpendicular to the axis of oscillation of the rocker 23. A bushing 30 is rockably received in the socket 29 and is formed with a transaxial opening 3I adapted to receive the pin 22. It will be clear that the axis of the opening 3I, the rocking axis of the bushing 30, the rocking axis of the rocker 23, the axis of the pin 22, and the rotational axis of the stem IS will intersect in a common point. As a result of this construction, rotation of the stem I9 will produce oscillation of the rocker 2'3 about its rocking axis, the pin 22 and bushing 30 working in their respective sockets.

In the illustrated embodiment of the invention, the separate block 28 is secured in the rocker 23 by means of screws 32, or other suitable fastening means; but it will be clear that it would be possible to form the socket 29 directly in the rocker 23.

A separate housing 33, having an end wall 34 and defining a cylindrical chamber 35, is provided with a perimetral flange 35 at its open end adapted to mate with a flange 3! provided on the wall II, and secured thereto by screws 38, or other suitable fastening means, whereby the end wall II of the main housing forms a closure for the chamber 35. The cross section of the chamber 35 is circular, and a plate 33 is mounted in said chamber, diametrically spanning the same and extending from end to end thereof. One end of the plate 39 is journalled in a bearing 40 mounted in the wall 34, while the other end of said plate is tongued, as at 4|, to be received in a transaxial slot 42 in the end 25 of the rocker 23, whereby a driving connection is provided between said rocker and the plate 39. A second in dependent housing, comprising a perimetral wall 43 and an end wall 44 defining a chamber A5 of circular cross section, is provided with a perimetral flange 46 adjacent its open end. Said flange 46 mates with, and is adapted to be secured to, a perimetral flange 41 on the closure plate l4, and the flange l3, screws 48, or other suitable fastening means, being provided to secure the several flanges together. A plate 49 diametrically spans the chamber 45 and extends from end to end thereof, one end (not shown) of said plate being journalled in the wall 44 and the other end being tongued, as at 5|, for reception in a transaxial slot 52 in the end 2? of the rocker 23, whereby a driving connection is provided between said rocker and the plate 39.

An arched plate 53, fixed to the upper surface of the plate is, operatively engages a radiused seat upon the inner surface of a dam 5Q, extending from end to end of the chamber 45, and secured in place by screws 55 or the like; and a similar arched plate 55 secured to the lower surface of the plate 49 cooperatively engages a radiused seat on the inner surface of a second dam 51, diametrically spaced from the darn and secured in place by screws 53, or the like. It will be obvious, upon an inspection of Fig. 2, that the dams, arched plates, and plate le cooperate to divide the chamber 45 into four variable volume spaces, 59, Bil, 6! and 62. Obviously, oscillatory movement of the plate 49 in a clockwise direction from the position illustrated in 2 will reduce the volumes of the spaces G9 and Si and increase the volumes of the spaces 59 and 82. Intake and exhaust passages 63 and {i l communicate with the space 59; intake and exhaust passages 65 and 5t communicate with the space 38; intake and exhaust passages 57 and 58 communicate with the space 65; and intake and exhaust passages 68 and it communicate with the space 62. These passages are suitably checked, and are properly connected to a source or sources of fluid supply and to a point or points to which fluid is to be transferred. It will be obvious that, as the stem (9 is rotated to oscillate the rocker 23, the plates 39 and 9 will be correspondingly oscillated to vary the volumes of the spaces within the chambers 35 and Q5 to transfer fluid from such points or" supply to points of use. The

chamber 35, of course, contains arched plates,

dams and inlet and outlet passages corresponding to those described in connection with the chamber 45.

The eifect of operation of the structure thus far described, of course, is variable only by varying the speed of rotation of the stem l9. It may frequently be desirable to vary the effect of such a mechanism while operating the same at constant speed; and in Figs. 3 to 6 inclusive, I'have illustrated devices for accomplishing such variations. Referring, first, to Fig. 3, it will be seen that I have illustrated a housing so formed to provide a chamber 8! of part circular cross section. A plate 82 diametrically spans the chamber and is mounted for oscillation about the axis 83 of said chamber. The open mouth of the housing 89 is closed by a closure plate 84 formed for the reception of a bushing 85 in which is journalled a stem 35 for rotation upon an axis perpendicularly intersecting the chamber axis 83. Within the housing, the stem 85 is formed with an enlargement which may be considered a cylindrical block 8?, and said block is formed with a transaxial slot 88 opening through its inner end and accommodating a bellcrank lever 88. As is clearly shown, said lever is mounted for oscilla tion upon a journal pin 80 which spans the slot 88, is arranged transversely of the axis of rotation of the stem 86, and is somewhat offset from that axis.

One arm 9! of the lever 89 projects generally toward the open end of the slot 88 and terminates in a ball socket 92 receiving a ball $13 to which is secured one end of a pin 94, said pin projecting radially from the ball. The plate 82 receives a block 95 similar to the block 28, in which is rockably mounted a bushing 96, said bushing being mounted to oscillate upon an axis perpendicular to the axis of oscillation of the plate 82. The bushing is formed with a transaxial socket 9? in which is received the opposite end of the pin as; and it will be seen that the axis of oscillation of the plate 82, the axis of oscillation of the bushing 96, the axis of the pin E i, and the axis of rotation of the stem 85 all intersect in a common point.

Axially reciprocably sleeved upon the block 81 is a ring 99 in which is mounted, for oscillation upon a chordal axis, a hinge pin Hi0 formed with a transaxial bore fill receiving the opposite arm N32 or the lever 89. With the parts in the illustrated positions, rotation of the stem 86 will produce oscillation of the plate 82 in precisely the manner in which the rocker 23 is oscillated by rotation of the stem IS.

A yoke I03 embraces the ring 99, said ring being rotatable with respect to said yoke; and said yoke is formed with a threaded bore HM substantially parallel to the axis of the stem 86. The threaded end of a screw shaft is received in said bore, said shaft being suitably supported in a bearing illo, upon an axis parallel to the axis of the shaft 86 and being rotatable, but held against axial movement. It will be clear that rotation of the screw shaft H35, by manipulation of the hand wheel I07, will produce reciprocation of the yoke 93, and thus axial movement of the ring 99 to swing the lever 89 about its fulcrum pin 9!]. Clockwise movement of the lever 89 will vary the angular relation between the pin 94 and the axis of the stem 86; and it will be seen that it is possible to shift the lever 89 into a position in which the axis of the pin 9 will coincide with the axis of rotation of the stem 8%.

When the axis of the pin 94 is brought into coincidence with the rotational axis of the stem 86, it will be obvious that rotation of said stem will have no oscillatory effect upon the plate 82; and it will be equally obvious that various positions of the lever 89 between that which is illustrated and that in which the axes of the stem and pin coincide, will result in various degrees of oscillation of the plate 82 in response to rotation of the stem 86.

The plate 82 may, itself, act as a pumping piston if a dam similar to the dam 54 and a plate similar to the plate 53 are associated with said plate 82, and if suitable inlet and outlet passages be provided for the variable-volume spaces thus defined within the chamber Bl; or the plate 82 may be connected to drive pumping plates like the plates 39 and 49 in one or more separate housings associated with the housing 80. Obviously, under such conditions, variations in the position of the lever 89 will result in variations in the degree of expansion and contraction of the variable-volume spaces within such housing.

In Fig. 5, I have illustrated a housing 8!! having a somewhat longer shank section m8 for the accommodation of a modified form of yoke I03. The yoke I63 is, as will be readily perceived, of lesser radial extent than is the yoke (03, the threaded socket E04 being positioned closer to the axis of the stem 86. As in the previous embodiment, a screw shaft [05' has its threaded 3 end threadedly received in the socket I04, so that rotation of said screw shaft will shift the ring 99 axially with respect to said stem to vary the angular relation between the driving pin and said stem.

In Fig. 6, I have illustrated a further means for varying that angular relation. In said figure, a housing receives the parts above described; but in this form of the invention, the ring 99 is formed with a peripheral groove E09. A hinge bushing 00 receives the arm E02 of the lever 82; and a yoke H0, caried by a lever Ill, engages in the groove [59. The lever III is provided, intermediate its ends, with a ball H2 received in a suitable ball socket I I3 supported upon the housing 80", so that oscillation of the lever III in a plane containing the axis of the stem 66 will result in reciprocation of the ring 99 axially with respect to said stem to vary the effective stroke of the oscillating plate.

I claim as my invention:

1. In a device of the class described, a rocker, means supporting said rocker for oscillation about a fixed axis, a stem, means supporting said stem for rotation about an axis substantially perpendicular to said first-named axis, a lever, means securing said lever to said stem for oscillation about an axis transverse to said stem axis, a pin, hinge means operatively connecting one end of said pin to said lever, hinge means operatively connecting the other end of said pin with said rocker, said pin being inclined to said stem axis, and intersecting said first-named axis at the point of intersection therewith of said stem axis, and means for shifting said lever'about said transverse axis to vary the angular relation between the axis of said pin and said stem axis.

2. The device of claim 1 in which the hinge means operatively connecting said pin with said rocker is a bushing journalled in said rocker for relative oscillation about an axis perpendicularly intersecting said first-named axis and said pin rotatably engages said bushing at the point of intersection of said first-named and last-named axes.

3. In a device of the class described, a rocker, means supporting said rocker for oscillation about a fixed axis, a stem, means supporting said stem for rotation about an axis substantially perpendicularly intersecting said first-named axis, a 4

bushing journalled in said rocker for relative oscillation about an axis perpendicularly intersecting said first-named axis substantially in the point of intersection of said stem axis with said first-named axis, said bushing being provided with a transaxial socket, a lever, means securing said lever to said stem for oscillation about an axis transverse to said stem axis, a pin, hinge means operatively connecting one end of said pin to said lever, the other end of said pin being rotatably and reciprocably received in said bushing socket, and means for shifting said lever about said transverse axis to vary the angular relation between the axis of said pin and said stem axis.

4. In a device of the class described, a rocker, means supporting said rocker for oscillation about a fixed axis, a stem, means supporting said stem for rotation about an axis substantially perpendicularly intersecting said first-named axis, a bushing journalled in said rocker for relative oscillation about an axis perpendicularly intersecting said first-named axis substantially in offset therefrom, a pin, hinge means operatively connecting one end of said pin to said lever, the

other end of said pin being rotatably and reciprocably received in said bushing socket, and means for shifting said lever about said transverse axis to vary the angular relation between the axis of said pin and said stem axis.

5. In a device of the class described, a rocker, means supporting said rocker for oscillation about a fixed axis, a stern, means supporting said stem for rotation about an axis substantially perpendicularly intersecting said first-named axis, a bushing journalled in said rocker for relative oscillation about an axis perpendicularly intersecting said first-named axis substantially in the point of intersection of said stem axis with said first-named axis, said bushing being provided with a transaxial socket, a lever seated in said stem and having an arm movable transaxially of said stem in a plane including the stem axis, a ring sleeved on said stem for relative reciprocation axially of said stem, said lever having another arm angularly related to its first-named arm, hinge means connecting said last-named lever arm to said ring, a pin, hinge means operatively connecting one end of said pin to said first-named lever arm, the other end of said pin being rotatably and reciprocably received in said bushing socket, and means for shifting said ring axially of said stem to vary the angular relation between the axis of said pin and said stem axis.

6. The device of claim 5 in which said ringshifting means comprises a yoke operatively engaging said ring, and means for shifting said yoke axially with respect to said stem.

'7. The device of claim 6 in which said ring is rotatable relative to said yoke.

8. The device of claim 7 in which said yokeshifting means comprises a screw shaft, and means rotatably supporting said screw shaft upon an axis parallel with said stem axis and against axial movement, said screw shaft being threadedly engaged with said yoke.

9. The device of claim 5 in which said ringshifting means comprises a yoke operatively engaging said ring and a lever radially arranged relative to said stem, and fulcrum means supporting said lever intermediate its ends for rocking movement in a plane including said stem axis, said lever operatively engaging said yoke.

FRED A. LANE.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 496,000 Reiss Apr, 25, 1893 514,791 Tamsa Feb. 13, 1894 1,579,054 Armuth Mar. 30, 1926 1,737,082 Gough Nov. 26, 1929 1,744,542 Gough Jan. 21, 1930 2,359,819 Bachrach Oct. 10, 1944 2,413,636 Long Dec. 31, 1946 

